Bonds issued secured by lien on lands benefited; assessment and collection of taxes may be enforced.

All bonds issued by any board of supervisors under the provisions of this chapter shall be secured by a lien on all lands and other property benefited in the district, and the board of supervisors shall see to it that a tax is levied annually and collected under the provisions of this chapter, so long as it may be necessary to pay any bond issued or obligation contracted under its authority; and the making of said assessment and collection may be enforced by mandamus.